GB2306791A - Rotary transformer with flexible printed circuit boards - Google Patents

Rotary transformer with flexible printed circuit boards Download PDF

Info

Publication number
GB2306791A
GB2306791A GB9622510A GB9622510A GB2306791A GB 2306791 A GB2306791 A GB 2306791A GB 9622510 A GB9622510 A GB 9622510A GB 9622510 A GB9622510 A GB 9622510A GB 2306791 A GB2306791 A GB 2306791A
Authority
GB
United Kingdom
Prior art keywords
circuit pattern
annular
transformer
rotary transformer
lower layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9622510A
Other languages
English (en)
Other versions
GB9622510D0 (en
Inventor
Bu-Hyun Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of GB9622510D0 publication Critical patent/GB9622510D0/en
Publication of GB2306791A publication Critical patent/GB2306791A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/003—Printed circuit coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB9622510A 1995-10-30 1996-10-29 Rotary transformer with flexible printed circuit boards Withdrawn GB2306791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950038079A KR0177232B1 (ko) 1995-10-30 1995-10-30 테이프 레코더의 헤드 드럼

Publications (2)

Publication Number Publication Date
GB9622510D0 GB9622510D0 (en) 1997-01-08
GB2306791A true GB2306791A (en) 1997-05-07

Family

ID=19431923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9622510A Withdrawn GB2306791A (en) 1995-10-30 1996-10-29 Rotary transformer with flexible printed circuit boards

Country Status (5)

Country Link
US (1) US5764443A (zh)
JP (1) JPH09212804A (zh)
KR (1) KR0177232B1 (zh)
CN (1) CN1151599A (zh)
GB (1) GB2306791A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2868234B1 (fr) * 2004-03-26 2006-05-12 Hymatom Sa Dispositif de videosurveillance a camera avec joint tournant sans contact electrique
US8400154B1 (en) * 2008-02-08 2013-03-19 Seektech, Inc. Locator antenna with conductive bobbin
WO2013142425A1 (en) 2012-03-19 2013-09-26 Volcano Corporation Rotary transformer and associated devices, systems, and methods for rotational intravascular ultrasound
FR2990556B1 (fr) * 2012-05-09 2014-05-30 Hispano Suiza Sa Transformateur tournant triphase a flux lies libre
DE102013209216A1 (de) * 2013-05-17 2014-11-20 Iwis Motorsysteme Gmbh & Co. Kg Übertragungsschaltung und rotationsübertrager
EP3010684B1 (en) * 2013-06-17 2023-06-14 ABB Schweiz AG A rotary joint of a robot and the robot including the same
CN105448507B (zh) * 2015-12-29 2017-12-26 中国科学院苏州生物医学工程技术研究所 高频旋转变压器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125205A (en) * 1982-07-30 1984-02-29 Tokyo Shibaura Electric Co Rotary magnetic head device
EP0218142A2 (de) * 1985-10-11 1987-04-15 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG Rotierübertrageranordnung
US4692822A (en) * 1984-04-30 1987-09-08 U.S. Philips Corporation Magnetic tape scanning unit and method of assembly thereof
US4829401A (en) * 1987-10-23 1989-05-09 U.S. Philips Corporation Rotating transformer with foil windings

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998509A (ja) * 1982-11-26 1984-06-06 Sharp Corp 回転トランス

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125205A (en) * 1982-07-30 1984-02-29 Tokyo Shibaura Electric Co Rotary magnetic head device
US4692822A (en) * 1984-04-30 1987-09-08 U.S. Philips Corporation Magnetic tape scanning unit and method of assembly thereof
EP0218142A2 (de) * 1985-10-11 1987-04-15 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG Rotierübertrageranordnung
US4829401A (en) * 1987-10-23 1989-05-09 U.S. Philips Corporation Rotating transformer with foil windings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, vol 8, no 213, 28 September 1984 JP-A-590098509 (SHARP) 06.06.84, page 76 *

Also Published As

Publication number Publication date
CN1151599A (zh) 1997-06-11
US5764443A (en) 1998-06-09
KR0177232B1 (ko) 1999-04-15
KR970022976A (ko) 1997-05-30
GB9622510D0 (en) 1997-01-08
JPH09212804A (ja) 1997-08-15

Similar Documents

Publication Publication Date Title
US4975607A (en) Frequency generator with superimposed generation coil
CA1244867A (en) Brushless motor
KR19990003195A (ko) 패턴코일권선모터와 그 권선방법
US5572384A (en) Magnetic disk drive device having lead wire holding structure
CA2210544A1 (en) Ultra-flat magnetic device for electronic circuits
CA1084129A (en) Rotary transformer with unique physical and electrical characteristics
EP0313139B1 (en) Rotating transformer
EP0715322B1 (en) Transformers
GB2306791A (en) Rotary transformer with flexible printed circuit boards
US5363263A (en) Coil assembly for rotary magnetic head apparatus
EP0809843A1 (en) Magnetic-tape recording/reproducing device comprising a head-drum unit
US7280318B2 (en) Head drum assembly for a tape recorder
EP0365092A1 (en) Magnetic head, system comprising at least two of these magnetic heads as well as a scanning unit provided with the system
KR970002144Y1 (ko) 회전식 헤드드럼
KR200306186Y1 (ko) 테이프레코더의헤드드럼과메인회로기판의전기적연결장치
KR930001545Y1 (ko) 브이씨알의 헤드드럼 트랜스장치
JPH01292803A (ja) ロータリートランス
GB2295728A (en) Transformers
JP4000311B2 (ja) テープレコーダのヘッドドラム組立体
JPH10229023A (ja) 積層型ロータリートランス
JPS60130109A (ja) ロ−タリ−トランス
JPS62173605A (ja) 回転シリンダ
JPS6464106A (en) Manufacture of magnetic transducer with a plurality of heads
JPH0652561B2 (ja) 回転トランス
JPH02118915U (zh)

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)